1 files changed, 7 insertions, 8 deletions
diff --git a/src/main/java/com/squareup/javapoet/ParameterSpec.java b/src/main/java/com/squareup/javapoet/ParameterSpec.java
index eaeece0..8686790 100644
--- a/src/main/java/com/squareup/javapoet/ParameterSpec.java
+++ b/src/main/java/com/squareup/javapoet/ParameterSpec.java
@@ -15,31 +15,30 @@
  */
 package com.squareup.javapoet;
 
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
 import java.io.IOException;
 import java.io.StringWriter;
 import java.lang.reflect.Type;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Set;
 import javax.lang.model.SourceVersion;
 import javax.lang.model.element.Modifier;
 
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Preconditions.checkNotNull;
+import static com.squareup.javapoet.Util.checkArgument;
+import static com.squareup.javapoet.Util.checkNotNull;
 
 /** A generated parameter declaration. */
 public final class ParameterSpec {
   public final String name;
-  public final ImmutableList<AnnotationSpec> annotations;
-  public final ImmutableSet<Modifier> modifiers;
+  public final List<AnnotationSpec> annotations;
+  public final Set<Modifier> modifiers;
   public final Type type;
 
   private ParameterSpec(Builder builder) {
     this.name = checkNotNull(builder.name, "name == null");
-    this.annotations = ImmutableList.copyOf(builder.annotations);
-    this.modifiers = ImmutableSet.copyOf(builder.modifiers);
+    this.annotations = Util.immutableList(builder.annotations);
+    this.modifiers = Util.immutableSet(builder.modifiers);
     this.type = checkNotNull(builder.type, "type == null");
   }